The Discovery Channel HD (Pacific)

Air cargo officers investigate a drug-smuggling operation that uses the postal service to export marijuana abroad; when vials of a mysterious powder arrive from China, officers suspect they may be dangerous counterfeit clinical skincare injections.

A man arrives with what looks like multiple rounds of high-caliber bullets in his suitcase; when a K-9 alerts to a harmless box of kids' games, officers find more than they bargained for; Officers are alarmed by a traveler's strong-smelling soap.

Officers inspect an old computer that looks like it's hiding something suspicious; a man entering with a commercial amount of Betta fish claims he's importing them for personal use, although the species is often bred for illegal fish fighting.

A concealed shipment is hidden in the fifth wheel of a tractor-trailer; officers searching a courier's van find a lethal cache; an unlikely source sets off the radiation detector; a young woman is detained for a warrant she didn't know she had.

Officers make a massive seizure after searching a spicy load; a former teacher is surprised to find she has an arrest warrant; two men are caught with gun parts in their luggage; a traveler's cargo is scrutinized when crossing liquor into the U.S.

Two men arrive in an SUV carrying enough suitcases for an entire family. Officers discover it's no family car -- it's a Kevlar-lined, bulletproof tank, the type that the cartels use to transport high-ranking gang members and attack law enforcement.

Over-capacity and on the brink, Louisiana's Washington Parish Jail is spiraling into chaos; the new sheriff struggles to bring stability and control while facing the mistakes of the past.

In Clay County, Mississippi, where gun deaths are an epidemic and the median income sits 66% below the national average, Sheriff Scott and his team fight to keep order inside a jail where the consequences of a community in crisis arrive daily.

Cartels hope CBP won't inspect happy families, but officers know not to fall for that smuggling trick. Due to avian flu, live chickens can't be brought into the U.S. A family is forced to choose: go home to save their pet or surrender the bird to CBP.

As an opioid epidemic grips the county, a law-and-order sheriff uses rehabilitation to help inmates break the cycle of addiction while officers work around the clock to maintain safety, security and order inside one of New York's busiest jails.

In Bloody Tangipahoa, a new sheriff takes on a parish defined by violence, fighting to pull a crumbling, neglected jail back from the brink while inmates work to rebuild the family bonds that could keep them from coming back.

Two sisters are detained when one of them attacks an officer after a day of binge-drinking; a man claiming to be traveling for business has something to hide; on a hectic day, officers conduct a special operation using the bridge's K9 team.

Cartels hope CBP won't inspect happy families, but officers know not to fall for that smuggling trick. Due to avian flu, live chickens can't be brought into the U.S. A family is forced to choose: go home to save their pet or surrender the bird to CBP.

As an opioid epidemic grips the county, a law-and-order sheriff uses rehabilitation to help inmates break the cycle of addiction while officers work around the clock to maintain safety, security and order inside one of New York's busiest jails.

In Bloody Tangipahoa, a new sheriff takes on a parish defined by violence, fighting to pull a crumbling, neglected jail back from the brink while inmates work to rebuild the family bonds that could keep them from coming back.

Two sisters are detained when one of them attacks an officer after a day of binge-drinking; a man claiming to be traveling for business has something to hide; on a hectic day, officers conduct a special operation using the bridge's K9 team.

Local racers in Idaho race off for $5,000 in cash, and when the competition heats up, some favorites are knocked out early. The last racer standing goes up against Damon for another $5,000, but a tricky racetrack makes for a rough end to the night.

With vital supplies running dangerously low at their remote Nugget Creek claim, Dustin attempts the impossible; Kayla tackles the most dangerous diving conditions they've ever seen.

When Monte discovers Keith set pots in an illegal zone, he and the Wizard crew must pay the price in blood and treasure; a storm reconnects Jake to the larger-than-life hero of the Cornelia Marie's past; Johnathan gambles on a million-dollar fall season.

When Sig's crane blows a hydraulic line, Clark ascends the rig in 20-foot seas for a critical repair; the Cornelia Marie crew battles a fire as Jake's engine room fills with smoke; Monte fights a generator outage while Rick dumps pots to avoid capsizing.

In the winter season premiere, Sig teaches Sophia how to captain the Northwestern at the Russian line. Jake stacks the Cornelia Marie for a risky trip north. When a crab boat sinks near St. George, the Wizard is the only vessel close enough to reach it.

When Wizard deckhand Lynn Guitard falls overboard in 15 foot seas, Keith and Monte scramble to rescue him before hypothermia sets in. On the Northwestern, Sig lets Sophia prove herself at the Russian line. A greenhorn joins the crew of the Aleutian Lady.

On the Aleutian Lady, greenhorn Todd's abscessed tooth forces Rick to consider a costly return to Dutch Harbor; Sig hands new protégé, Bob, the helm for her first-ever opilio season; Johnathan performs surgery-at-sea on his favorite Time Bandit shipmate.

Marty faces his most daunting challenge ever in the rescue of a Tennessee homestead; down Misty and Matt, he calls on past homesteaders and friends Ken and Anita Corsini.

The Raneys put their ingenuity to the test on a homestead in Hawaii that was destroyed by 20-foot thick lava flow; first, they must bring life back to the property, then figure out how to make the structures mobile in case of another eruption.

A Big Island family finds their off-grid paradise threatened by destructive storms and deadly pests; to save them, the Raneys must get creative.

It's the Raneys' first Florida rescue; a single mom is struggling against an overflowing swamp caused by devastating tropical storms; severe flooding has brought an invasion of gators; the Raneys must be more inventive than ever to save them.

On a mesa in Arizona, the Raneys step into a homestead and marriage under strain; to secure the family's future, they must pull an ambitious husband away from his years-long, unfinished passion project, and force a hard reset before total collapse.

In Montana, the Raneys intervene with a family on winter's doorstep; they must scramble to expand their shelter and food storage before being snowed in for good; a surprising revelation in the middle of the rescue threatens to upend the Raneys' plan.

The Raneys intervene to save an Alaskan family exiled to tents by a mold-infested cabin; facing bears, an arsenic-laced spring, and staring down a seven-month winter, they have one shot to make the homestead livable.

In Montana, the Raneys intervene with a family on winter's doorstep; they must scramble to expand their shelter and food storage before being snowed in for good; a surprising revelation in the middle of the rescue threatens to upend the Raneys' plan.

The Raneys intervene to save an Alaskan family exiled to tents by a mold-infested cabin; facing bears, an arsenic-laced spring, and staring down a seven-month winter, they have one shot to make the homestead livable.

Legal and outlaw distillers compete to make a 300-year-old spirit called Cherry Bounce; a favorite drink of George Washington, nearly lost to time; Josh Owens, whose family kept the recipe alive for generations in the backwoods, joins as guest judge.

Battling the raging whitewater at Nugget Creek, Dustin and crew must build a safe harbor for their dredge; legendary miner Fred Hurt returns to help solve the mystery of the pilings gold.

After the death of his father, a farmer believes he witnessed a UFO; a geologist uncovers debris at the Roswell crash site; after seeing an orb in the sky, a mother suffers radiation-like burns on her body.

Tormented by childhood memories of abduction, a woman discovers an implant in her body; a sailor captures lights over the Pacific Ocean that he believes are alien craft, and a couple finds unusual footprints in the woods.

A man captures a beam of light in the desert; a couple is convinced they communicated with a UFO; a military man thinks he discovered a portal.

A musician captures a strange object flying over a highway in California; a tourist takes the most compelling UFO photo ever; two friends fear they were abducted on a road trip.

Phil Torres and Jessica Chobot investigate a strange phenomenon that's been haunting Mammoth Cave for generations.

Phil and Jessica head to Lake Lanier, a manmade lake that covers over 20 cemeteries and the bodies still buried there; they investigate in and around the deadliest lake in America to uncover rumors of drownings and ghostly encounters.

Expedition X explores an abandoned and haunted outpost in the Amazon rainforest; meeting with tribes deep in the jungle, they hear strange things at night that cause panic.

After receiving brand-new, frightening reports, Josh sends Jessica and Phil to the woods of southern New Jersey to hunt for the infamous Jersey Devil; locals are terrified by a demonic creature that's terrorized them for more than 300 years.

Declassified video captured by the U.S. Navy triggers Jess and Phil's investigation into mysterious, supersonic craft flying above -- and racing below -- the waters off California's Catalina Island.

Jess and Phil's investigation into the phenomenon of unidentified submerged objects off the coast of Catalina Island intensifies after the discovery of an extraterrestrial underwater base between the island and the mainland.

The mysterious vanishing of Northwest Flight 2501 with 58 people on board.

Josh joins archeologists as they bushwhack through thick jungles and rappel into vast caves in search of the lost Zoque culture; deep underground, the team pushes through flooded sections and finds thousands of ritual offerings that may solve the mystery.

In Puerto Rico, Josh Gates explores caves and treks through dense jungles in search of the chupacabra; working with a wildlife biologist, a veterinarian and an investigator, Josh explores a recent wave of attacks to separate fact from fiction.

Trekking deep into Mexico's narco-controlled jungles, Josh hunts for the last Mayan stronghold to ward off the Spanish conquistadors; he joins an expedition braving snakes, spiders and jaguars to uncover the legendary Sac Balam.

Josh helps discover and explore a labyrinth of lost tunnels. He dodges traffic to assist in a first-ever radar scan below the busy streets of Cuzco, Peru. He joins them as they push into the tunnels and find priceless ancient treasures.

Tizzy tracks down a pipe-wielding road-rager who violently attacks cars and threatens drivers across LA; A woman is caught on camera shamelessly defecating on a car, and an enraged man makes off with a tow truck, wreaking havoc through the streets of NYC.

Josh enters the Laos jungle to locate a lost culture's burial jars; first, he detonates unexploded Vietnam War ordnance to clear a safe path; at the site, he uses 3D scanning and facial recognition tech to analyze the remains, providing new data to understand this mysterious civilization.

Trekking deep into Mexico's narco-controlled jungles, Josh hunts for the last Mayan stronghold to ward off the Spanish conquistadors; he joins an expedition braving snakes, spiders and jaguars to uncover the legendary Sac Balam.

Josh helps discover and explore a labyrinth of lost tunnels. He dodges traffic to assist in a first-ever radar scan below the busy streets of Cuzco, Peru. He joins them as they push into the tunnels and find priceless ancient treasures.

Tizzy tracks down a pipe-wielding road-rager who violently attacks cars and threatens drivers across LA; A woman is caught on camera shamelessly defecating on a car, and an enraged man makes off with a tow truck, wreaking havoc through the streets of NYC.

Josh enters the Laos jungle to locate a lost culture's burial jars; first, he detonates unexploded Vietnam War ordnance to clear a safe path; at the site, he uses 3D scanning and facial recognition tech to analyze the remains, providing new data to understand this mysterious civilization.

A young woman makes millions launching a high-end escort service that caters to some of NYC's elite; a dad convinces his sons to pull off the largest heist in Las Vegas history; a college dropout defrauds the U.S. food stamp system.

A medical emergency threatens to end the season before it begins; Kayla fights to gain access to her new claim, by building a 400-foot walkway into the sheer cliffs high above Nugget Creek.

Adam and Jamie put a YouTube myth to the test; the team experiments with Thermite, car stereo systems and handguns.

The 10th anniversary starts off with the busting of JATO rocket car.

Viewer requested myths include an underwater bike ride, if you can know something "like the back of your hand," and the potty dance.

Jamie and Adam try to tenderize steak with explosives; they test to see if a motorist uses more fuel when driving under stress.

Adam and Jamie test an Indiana Jones myth; Kari, Grant and Tori try to break out of prison.

Adam and Jamie test whether hands-free driving is a safe way to make a call while behind the wheel.

Basque pelota balls; pallet trucks; dumplings; brass faucets.

Steamer baskets; three-wheel scooters; pre-fabricated conservatories; copper cookware.

Laptops; panettone; saxophones.

The processes of making fencing masks, books and ocean drone transformers.

Educational robots; boxing belts; boat radar mounts; European-style radiators.

Learning how race car oil, plaster moldings, lemongrass oil and fly tying vices are made.

How wood utensils, refrigeration units, moccasins and impact drills are made.

Exploring how everyday items like pasta dies, blueberries, composting toilets and surge arresters are made.

Mike samples life as a medical waste processor, learning what medical waste is and then doing his bit to treat it; his new colleagues have some surprises in store.

Mike tries his hand at working as a water softener technician; Mike takes on the job of a coin washer.

Mike spends the day working as an onion processor as he slices, dices and tastes onions before cleaning out the juicing machine and parts of the reactor.

Mike helps to erect a radio communications tower; celebrating the milestone of doing a dirty job in each of the 50 states.

Mike sucks rocks off an industrial roof with a massive vacuum; then, he travels to the Black Hills to carve one of the largest monuments in the world: Crazy Horse.

Mike Rowe crams into a hockey arena's escalator, where he scrapes and cleans a special kind of shmutz from the bottom; Mike and a zookeeper venture into the hot, treacherous Arizona desert at night to round up stinging scorpions.

Mike trains as a trauma surgeon, learning under simulated battlefield conditions; Mike helps to control iguanas on the Florida coast.

Mike Rowe joins a fourth-generation fisherman's crew in Georgia as it harvests cannonball jellyfish for food, a trade known as jellyballing; Mike helps a father-son team install epoxy flooring at a restaurant in time for the dinner rush.

Mike sucks rocks off an industrial roof with a massive vacuum; then, he travels to the Black Hills to carve one of the largest monuments in the world: Crazy Horse.

Mike Rowe crams into a hockey arena's escalator, where he scrapes and cleans a special kind of shmutz from the bottom; Mike and a zookeeper venture into the hot, treacherous Arizona desert at night to round up stinging scorpions.

Mike trains as a trauma surgeon, learning under simulated battlefield conditions; Mike helps to control iguanas on the Florida coast.

Mike Rowe joins a fourth-generation fisherman's crew in Georgia as it harvests cannonball jellyfish for food, a trade known as jellyballing; Mike helps a father-son team install epoxy flooring at a restaurant in time for the dinner rush.

With winter closing in on the mine, Todd rolls the dice and looks for richer paydirt by opening the Lost Cut; opening a new cut this late puts the Hoffmans' season at risk; Tater must keep paydirt running to both plants.

Out of fuel and out of options, Dustin risks his life on a resupply mission, navigating the raging Alaskan white water in the driver's seat of his unproven airboat; Kayla comes face-to-face with a collapsing snow bridge in order to reach her claim.

Matt tackles a hoard packed with high-value vintage toys and hidden loaded guns; Matt test-drives a 1960s British sports car and test-fires the weapons at a local gun range; lowball bids force the team to find new buyers; total sales top $100,000.

A hoard in Washington D.C. featuring Kobe Bryant and Michael Jordan memorabilia might be swallowed up by mold; the three-story home is so packed, the front door won't open; Matt hunts for a serviceman's foreign currency collection; extensive repairs drive up costs.

Matt takes on a rock star mess to find classic guitars and amps, vintage trucks and rare Harleys; the hoard's heavy metal puts the team at risk.

Matt and his troops head to the Pacific Northwest to search a three-barn hoard loaded with U.S. military treasures, including Willy's Jeeps and uniforms; a biohazard mess hides first-generation computers and video equipment at a second location.

The Raneys rescue a single-father homesteader facing threats of rockslides and bears in a Montana box canyon; but with Matt in Alaska awaiting the birth of his daughter, Marty and Misty face an uphill battle.

The Raneys intervene to save an Alaskan family exiled to tents by a mold-infested cabin; facing bears, an arsenic-laced spring, and staring down a seven-month winter, they have one shot to make the homestead livable.

In Montana, the Raneys intervene with a family on winter's doorstep; they must scramble to expand their shelter and food storage before being snowed in for good; a surprising revelation in the middle of the rescue threatens to upend the Raneys' plan.

When Sig's crane blows a hydraulic line, Clark ascends the rig in 20-foot seas for a critical repair; the Cornelia Marie crew battles a fire as Jake's engine room fills with smoke; Monte fights a generator outage while Rick dumps pots to avoid capsizing.

In the winter season premiere, Sig teaches Sophia how to captain the Northwestern at the Russian line. Jake stacks the Cornelia Marie for a risky trip north. When a crab boat sinks near St. George, the Wizard is the only vessel close enough to reach it.

When Wizard deckhand Lynn Guitard falls overboard in 15 foot seas, Keith and Monte scramble to rescue him before hypothermia sets in. On the Northwestern, Sig lets Sophia prove herself at the Russian line. A greenhorn joins the crew of the Aleutian Lady.

On the Aleutian Lady, greenhorn Todd's abscessed tooth forces Rick to consider a costly return to Dutch Harbor; Sig hands new protégé, Bob, the helm for her first-ever opilio season; Johnathan performs surgery-at-sea on his favorite Time Bandit shipmate.

As Arctic ice wreaks havoc on the fishing grounds, Rick risks losing a fortune in crab pots. Johnathan tests the Time Bandit's reinforced bow in a desperate attempt to save the gear. A health crisis on the Wizard forces Keith to make a life-or-death call.

Six teams of chasers brave Oklahoma back roads as a late spring warm front unleashes long-track tornadoes; as the biggest twister grows to EF-3 strength, it destroys a weed farm and forces Reed onto dirt roads to make a drone intercept in the Dominator.

Near Gary, S.D., expert chasers and certified weather spotters self-shoot an encounter with a long-track, shape-shifting tornado; when the twister takes a turn towards an occupied farmhouse, chasers are thrust into the role of first responders.

Teams of expert storm chasers and certified weather spotters risk it all to venture into America's Tornado Alley; they self-shoot their encounters with nature at its most extreme, warn people in harm's way and help save lives when disaster strikes.

As Arctic ice wreaks havoc on the fishing grounds, Rick risks losing a fortune in crab pots. Johnathan tests the Time Bandit's reinforced bow in a desperate attempt to save the gear. A health crisis on the Wizard forces Keith to make a life-or-death call.

Six teams of chasers brave Oklahoma back roads as a late spring warm front unleashes long-track tornadoes; as the biggest twister grows to EF-3 strength, it destroys a weed farm and forces Reed onto dirt roads to make a drone intercept in the Dominator.

Near Gary, S.D., expert chasers and certified weather spotters self-shoot an encounter with a long-track, shape-shifting tornado; when the twister takes a turn towards an occupied farmhouse, chasers are thrust into the role of first responders.

Teams of expert storm chasers and certified weather spotters risk it all to venture into America's Tornado Alley; they self-shoot their encounters with nature at its most extreme, warn people in harm's way and help save lives when disaster strikes.

Zak dispatches the team to Washington where a family is concerned about a possible demonic energy in their home; a shocking experience leads the guys to suspect dark forces influenced the daughter to allow evil to enter her life.

Mike McKinstry heads out to see our good friends at the Detroit Zoo for another fun adventure! This time, he meets with Mark Vassallo from the NACC (National Amphibian Conservation Center) to learn more about their conservation work with rare species.

While the DeLorean is best known as the time machine from "Back to the Future," the true story behind the DMC-12 has more plot twists than any Hollywood movie; telling the tale of its inventor, John DeLorean, and his quest to create a new U.S. car company.

Behind the walls of Clayton County Jail, deteriorating infrastructure creates dangerous conditions for both inmates and staff.

Heavy Hitters Qualifying Group A Day One from Marion County, FL. Anglers compete to advance as well as to win the $30,000 Big Bass Bonus.

As Arctic ice wreaks havoc on the fishing grounds, Rick risks losing a fortune in crab pots. Johnathan tests the Time Bandit's reinforced bow in a desperate attempt to save the gear. A health crisis on the Wizard forces Keith to make a life-or-death call.

In rural Leake County, Mississippi, a small jail battles a big meth problem; with repeat offenders entering the jail daily, local law enforcement works to break the cycle.

In Bristol County Jail, half of the cells don't lock; as changing demographics bring in more violent, gang-affiliated criminals, staff must manage a higher-risk population without the facility slipping into chaos.

In Clay County, Mississippi, where gun deaths are an epidemic and the median income sits 66% below the national average, Sheriff Scott and his team fight to keep order inside a jail where the consequences of a community in crisis arrive daily.

As an opioid epidemic grips the county, a law-and-order sheriff uses rehabilitation to help inmates break the cycle of addiction while officers work around the clock to maintain safety, security and order inside one of New York's busiest jails.

New evidence suggests Jack the Ripper's identity, while DNA analysis indicates possible Yeti existence; Max Headroom interrupts live broadcast, surprising everyone.

Josh Gates investigates several mysterious tragedies and downfalls; an expedition crew goes insane, turning cannibalistic; an explorer searches for a lost city in the Brazilian rainforest; an aspiring young actress falls victim to a deranged killer.

Josh Gates looks closely at some of history's most intriguing hoaxes and unexplained events, including the Amityville Horror, the strange fate of a military submarine crew, and a phenomenon in which people's body fat causes them to burn alive.

New evidence suggests the infamous Billy the Kid may have lived to old age under an assumed name; modern scholars explore the true identity of the "Man in the Iron Mask.".

Josh is on the hunt for the lost tomb of Alexander the Great; he dives Egypt's coast, revealing ruins of Alexander's Royal Quarter; he tunnels under modern Alexandria, but a water pump malfunction puts everything at risk.

Spanning Europe and Africa, Josh's chase for Alexander's remains and fortune ramps up; clues mount in a flooded ruin beneath Alexandria, Egypt; Josh gathers evidence Alexander's body may actually lie in Venice's St. Mark's Cathedral.

Josh helps discover and explore a labyrinth of lost tunnels. He dodges traffic to assist in a first-ever radar scan below the busy streets of Cuzco, Peru. He joins them as they push into the tunnels and find priceless ancient treasures.

A survey reveals a submerged pirate lair located off the coast of Jamaica; using photogrammetry, Josh dives in to hunt for the $50M stolen treasure of Black Bart, the King of Pirates.